This code computes a finite element approximation to benchmark two-phase obstacle problem in 1D and estimates the quality of obtained approximation in terms a posteriori error estimate. Details on theory and numerics can be found in the paper
Sergey Repin, Jan Valdman, A posteriori error estimates for two-phase obstacle problem. Journal of Mathematical Sciences 207, No. 2, 324-336 (2015)
A link to the paper can be found at the author's web page http://sites.google.com/site/janvaldman/publications .
Please cite the papers if you find the code useful.
Call 'start' in the main directory to run the code.
Jan Valdman (2021). Two-phase obstacle problem in 1D and its aposteriori error estimate (https://www.mathworks.com/matlabcentral/fileexchange/47966-two-phase-obstacle-problem-in-1d-and-its-aposteriori-error-estimate), MATLAB Central File Exchange. Retrieved .
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